Cosmetics are often used in a slightly inattentive, dust particles will fall into the eyes, which may occur eye inflammation, redness, swelling, pain, photophobia tearing, but also very likely to occur allergic conjunctivitis.

　　2, corneal burns

　　Cold perm essence is used for perming a very strong alkaline cosmetic ingredients. In use, if the slightest negligence will be cold perm essence splashed into the eyes, light will burn the cornea, serious eyeball atrophy, corneal clouding, and even induce cataracts and other ophthalmic diseases.

　　3, corneal fungal disease

　　Eyelash pen is often found in the eggplant disease Fusarium contamination. A new eyelash pen in the use of the former, its contamination rate of only 1.5% or so, and in the use of the process will make its contamination rate rose sharply to about 60%. This Fusarium species is highly susceptible to human corneal fungal disease, and severe contamination can lead to blindness in both eyes.

　　4. Conjunctival staining

　　For some coloured cosmetics, such as rouge, lipstick, paintbrushes, perfume, etc. when using, must not be careless, should be extra careful. Be sure not to let these cosmetics into the eye, otherwise it is likely that their otherwise good conjunctiva stained yellow, or have hyperpigmentation.